CN103008940A - Automatic welding equipment for double annular welding beads - Google Patents

Automatic welding equipment for double annular welding beads Download PDF

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Publication number
CN103008940A
CN103008940A CN2012105891234A CN201210589123A CN103008940A CN 103008940 A CN103008940 A CN 103008940A CN 2012105891234 A CN2012105891234 A CN 2012105891234A CN 201210589123 A CN201210589123 A CN 201210589123A CN 103008940 A CN103008940 A CN 103008940A
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CN
China
Prior art keywords
welding
positioner
welding gun
pin
gun
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CN2012105891234A
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Chinese (zh)
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CN103008940B (en
Inventor
李建国
刘威
王旭
陈永科
刘丁丁
张猛
胥媛媛
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长城汽车股份有限公司
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Priority to CN201210589123.4A priority Critical patent/CN103008940B/en
Publication of CN103008940A publication Critical patent/CN103008940A/en
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Publication of CN103008940B publication Critical patent/CN103008940B/en

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Abstract

An automatic welding equipment for double annular welding beads is used for solving problems of high equipment cost, low manual welding efficiency and hardly guaranteed welding quality of a welding robot. The automatic welding equipment comprises a welding gun position switching and welding gun clamping adjusting mechanism, a left side positioning mechanism, a right side positioning mechanism, an operation station, a power output mechanism, a control mechanism and a base stage, wherein the welding gun position switching and welding gun clamping adjusting mechanism comprises a left part and a right part, which are symmetric and respectively mounted together with the left side positioning mechanism and the right side positioning mechanism; the left side positioning mechanism, the right side positioning mechanism and the operation station are all fixed on the base stage; the power output mechanism is mounted together with the right side positioning mechanism; and a caster is arranged at the bottom of the base stage. The automatic welding equipment has the advantages of simple operation, convenient maintenance and low manufacturing cost; the welding efficiency can be increased, the product quality is improved, the welding operation condition is improved and the labor intensities of operators are reduced.

Description

A kind of dicyclo welding bead automatic welding device
Technical field
The present invention relates to a kind of automatic welding device, especially a kind of automatic welding device that is applicable to the Dual-side annular welding bead belongs to automobile technical field.
Background technology
At automobile manufacturing enterprise, welding is one of main method of parts assembling, and the operation that is welded is at present generally finished by artificial or robot.When adopting the operation of robot welding mode, need to by many driven by servomotor, realize the assemble welding of product by the control of PLC system program, so operating personnel's level of skill and anchor clamps quality of fit are had relatively high expectations; In addition robot welding mode also exists the high defective of equipment purchasing and maintenance cost.When adopting artificial welding manner operation, because operating personnel need left hand to take weld cap, the right hand is taken welding gun, but also the operation of will bending over, exist that operating condition is poor, labour intensity is large, ineffective disadvantage, the uniformity of simultaneously workpiece welding is difficult to guarantee, has affected the raising of product quality.
Summary of the invention
The object of the invention is to the drawback for prior art, provide a kind of low cost of manufacture, simple to operate, be convenient to maintenance, can improve the dicyclo welding bead automatic welding device of be welded operating efficiency and product quality, reduction labor intensity of operating staff.
Problem of the present invention realizes with following technical proposals:
A kind of dicyclo welding bead automatic welding device, it comprises that welding torch position switches and the welding gun clamping regulation mechanism, left positioner mechanism, right positioner mechanism, active station, power take-off mechanism, controlling organization and base stand, described welding torch position switches and the welding gun clamping regulation mechanism comprises symmetrical two parts, they respectively with left positioner mechanism, right positioner mechanism is equipped, described left positioner mechanism, right positioner mechanism and active station all are fixed on the base stand, described power take-off mechanism and right positioner mechanism are equipped, and described base stand bottom is provided with castor.
Above-mentioned dicyclo welding bead automatic welding device, described angle of welding gun switches and the welding gun clamping regulation mechanism comprises welding gun clamp assemblies, angle of welding gun changeover module and welding torch position adjustment assembly, described welding gun clamp assemblies comprises clamp and welding gun support under welding gun upper clamping block, the welding gun, described welding gun upper clamping block is fixed on welding gun and supports an end, clamp and welding gun upper clamping block are equipped under the described welding gun, between the clamp welding gun is being installed under welding gun upper clamping block and the welding gun, described welding gun supports by bearing pin and angle of welding gun changeover module and welding torch position adjustment member hinges.
Above-mentioned dicyclo welding bead automatic welding device, described angle of welding gun changeover module comprises that extension spring, swing arm, extension spring left end are hung pin and the extension spring right-hand member is hung pin, described extension spring left end is hung pin and is installed in the left end that welding gun supports, described extension spring right-hand member is hung pin and is installed in swing arm one end, and the described swing arm other end is by bearing pin and welding gun clamp assemblies and welding torch position adjustment member hinges.
Above-mentioned dicyclo welding bead automatic welding device, described welding torch position is adjusted assembly and is comprised L shaped contiguous block, upper-lower position is adjusted axle, the horizontal position adjustment axle, angle adjustment bolt and bolt support, the vertical plane top of described L shaped contiguous block fixedly assembling bolt is supported, described bolt supports an end setting angle and adjusts bolt, its other end is by bearing pin and angle of welding gun changeover module and welding gun clamping member hinges, L shaped contiguous block horizontal bottom fixedly the fit on upper/lower positions adjust axle, described upper-lower position adjusts the axle lower end and horizontal position adjustment axle one end is equipped, and the described horizontal position adjustment axle other end and left side (or right side) detent mechanism are equipped.
Above-mentioned dicyclo welding bead automatic welding device, described left positioner mechanism comprises the left positioner mechanism supports, cylinder and left positioner pin assemblies, described left positioner mechanism supports is fixed on the base stand, it is arranged symmetrically in both sides, cylinder front and back, the fixing assembling of described cylinder and left positioner mechanism supports, left positioner pin assemblies bearing block is installed on Telescopic-cylinder arm top, described left positioner pin assemblies bearing block and left positioner pin assemblies coupling, described left positioner pin assemblies comprises the left side central shaft, left positioner pin assembly unit and welding machine ground conductive unit, left side, the left end of described left side central shaft and the assembling of welding machine ground conductive unit, left side, the right-hand member of left side central shaft and the assembling of left positioner pin assembly unit.
Above-mentioned dicyclo welding bead automatic welding device, described right positioner mechanism comprises the right positioner mechanism supports, right positioner mechanism contiguous block, right positioner pin assemblies bearing block and right positioner pin assemblies, described right positioner pin assemblies comprises the right side central shaft, right positioner pin assembly unit, welding machine ground conductive unit, right side and driven sprocket, described right side central shaft left end and the assembling of right positioner pin assembly unit, right side central shaft right-hand member and the assembling of welding machine ground conductive unit, right side, described driven sprocket is sleeved on the central shaft of right side, and driven sprocket and power take-off mechanism are equipped.
Above-mentioned dicyclo welding bead automatic welding device, described power take-off mechanism comprises motor, drive sprocket and gear wheel, described motor is fixed on the base stand by electric machine support, described drive sprocket is installed on the motor output shaft, described gear wheel and drive sprocket are equipped, and gear wheel is fixed on the base stand by the gear wheel support.
Above-mentioned dicyclo welding bead automatic welding device, cylinder sidewall is provided with position switch in left positioner mechanism, on left positioner pin assemblies bearing block, also be provided with left side optoelectronic switch support, at left side optoelectronic switch support the optoelectronic switch light projector is installed, be provided with right side optoelectronic switch support at right positioner pin assemblies bearing block, at right side optoelectronic switch support the optoelectronic switch light-receiving device is installed, described optoelectronic switch light-receiving device is corresponding with optoelectronic switch light projector in the left positioner mechanism.
The present invention is applicable to the assemble welding to Dual-side annular welding bead workpiece, it switches by welding torch position and the welding gun clamping regulation mechanism is finished the adjustment of welding gun state, can realize the switching of the maintenance of normal welded condition and welding gun and two kinds of welding gun setting angles of welding slag cleaning state, also but the cooperation position of Butt welding gun and workpiece is adjusted simultaneously, satisfies the welding requirements of different workpieces; Left positioner of the present invention mechanism cooperates the clamping and positioning that realizes workpiece with right positioner mechanism, motor power is sent on the driven sprocket of right positioner mechanism by power take-off mechanism, drive right positioner pin assemblies, welding work pieces and the rotation of left positioner pin assemblies, realize continuous welding to dicyclo welding bead on the workpiece with this; The present invention cooperates with optoelectronic switch light-receiving device on being arranged in right positioner mechanism and realizes location of workpiece recognition function by being arranged in optoelectronic switch light projector in the left positioner mechanism, and respectively form the action of mechanism by controlling organization control, guaranteed stability and the reliability of welding process.In a word, that the present invention has is simple to operate, be convenient to keep in repair, the characteristics of low cost of manufacture, can not only improve be welded operating efficiency and product quality, and improve the operating condition that is welded, and has reduced labor intensity of operating staff.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is general structure schematic diagram of the present invention;
Fig. 2 is the front view of welding torch position switching and welding gun clamping regulation mechanism;
Fig. 3 is A-A sectional structure chart among Fig. 2;
Fig. 4 is the top view of welding torch position switching and welding gun clamping regulation mechanism;
Fig. 5 is left positioner mechanism front view;
Fig. 6 is the top view of left positioner mechanism;
Fig. 7 is B-B sectional structure chart among Fig. 6;
Fig. 8 is right positioner mechanism front view;
Fig. 9 is the top view of right positioner mechanism;
Figure 10 is C-C sectional structure chart among Fig. 9;
Figure 11 is the active station schematic diagram;
Figure 12 is the power take-off mechanism schematic diagram;
Figure 13 is welding gun welded condition schematic diagram of the present invention;
Figure 14 is welding gun service mode schematic diagram of the present invention.
Each list of reference numerals is among the figure: 1, welding torch position switches and the welding gun clamping regulation mechanism, 1-1, extension spring, 1-2, swing arm, 1-3, the welding gun upper clamping block, 1-4, clamp under the welding gun, 1-5, welding gun, 1-6, bearing pin, 1-7, the horizontal adjustment axle, 1-7-1, upper-lower position is adjusted the axle pilot hole, 1-7-2, adjustment tank, 1-7-3, clamp bolt hole, 1-8, L shaped contiguous block, 1-9, upper-lower position is adjusted axle, 1-10, the angle adjustment bolt, 1-11, bolt supports, 1-12, welding gun supports, 1-13, the extension spring right-hand member is hung pin, 1-14, the extension spring left end is hung pin, 2, left positioner mechanism, 2-1, the left positioner mechanism supports, 2-2, cylinder, 2-3, left side horizontal adjustment shaft compression piece, 2-4, left positioner pin assemblies clutch shaft bearing seat, 2-5, left positioner pin assemblies the second bearing block, 2-6, left side bearing block, 2-7, the left positioner block, 2-8, the left positioner pin, 2-9, position switch, 2-10, left side optoelectronic switch support, 2-11, left side optoelectronic switch light projector, 2-12, left side right-hand member fastening bolt, 2-13, the left side thrust bearing, 2-14, left side welding machine ground wire, 2-15, left side central shaft bearing, 2-16, the left side central shaft, 2-17, the left side graphite block, 2-18, the left side conducting block, 2-19, left side right-hand member fastening bolt, 2-20, holddown spring outer end, left side felt pad, 2-21, the left side holddown spring, 2-22, the inboard felt pad of left side holddown spring, 3, right positioner mechanism, 3-1, right positioner mechanism contiguous block, 3-2, the right side holddown spring, 3-3, right side right-hand member fastening bolt, 3-4, holddown spring outer end, right side felt pad, 3-5, the right side conducting block, 3-6, the right side graphite block, 3-7, connect conducting block, 3-8, driven sprocket, 3-9, right positioner pin assemblies clutch shaft bearing seat, 3-10, right side horizontal adjustment shaft compression piece, 3-11, right side bearing block, 3-12, the right positioner block, 3-13, the right positioner pin, 3-14, right side optoelectronic switch support, 3-15, right side optoelectronic switch light-receiving device, 3-16, the right positioner mechanism supports, 3-17, right side left end fastening bolt, 3-18, right positioner pin assemblies the second bearing block, 3-19, the inboard pad of right side holddown spring, 3-20, right side welding machine ground wire, 3-21, the right side thrust bearing, 3-22, right side central shaft bearing, 3-23, the right side central shaft, 4, active station, 4-1, scram button, 4-2, release button, 4-3, the welding button, 4-4, clamp button, 5, power take-off mechanism, 5-1, motor, 5-2, electric machine support, 5-3, drive sprocket, 5-4, the gear wheel support, 5-5, gear wheel, 6, controlling organization, 7, the base stand, 7-1, castor, 8, welding work pieces.
The specific embodiment
Referring to Fig. 1, the present invention includes welding torch position switches and welding gun clamping regulation mechanism 1, left positioner mechanism 2, right positioner mechanism 3, active station 4, power take-off mechanism 5, controlling organization 6 and base stand 7, described welding torch position switches and welding gun clamping regulation mechanism 1 comprises symmetrical two parts, they respectively with left positioner mechanism 2, right positioner mechanism 3 is equipped, described left positioner mechanism 2, right positioner mechanism 3 and active station 4 all are fixed on the base stand 7, described power take-off mechanism 5 is equipped with right positioner mechanism 3, described base stand 7 bottoms are provided with castor 7-1, and integral device can move with the conversion of operating location.
Referring to Fig. 2, Fig. 3, Fig. 4, angle of welding gun of the present invention switches and welding gun clamping regulation mechanism 1 comprises the welding gun clamp assemblies, angle of welding gun changeover module and welding torch position are adjusted assembly, described welding gun clamp assemblies comprises welding gun upper clamping block 1-3, clamp 1-4 and welding gun support 1-12 under the welding gun, described welding gun upper clamping block 1-3 is fixed on welding gun and supports 1-12 one end, clamp 1-4 and welding gun upper clamping block 1-3 are equipped under the described welding gun, between up and down two the semicircle clamping areas of clamp 1-4 under welding gun upper clamping block 1-3 and the welding gun welding gun 1-5 is installed, described welding gun supports 1-12 by bearing pin 1-6 and angle of welding gun changeover module and welding torch position adjustment member hinges; Described angle of welding gun changeover module comprises that extension spring 1-1, swing arm 1-2, extension spring left end are hung pin 1-14 and the extension spring right-hand member is hung pin 1-13, described extension spring left end is hung pin 1-14 and is installed in the left end that welding gun supports 1-12, described extension spring right-hand member is hung pin 1-13 and is installed in swing arm 1-2 one end, and the described swing arm 1-2 other end is by bearing pin 1-6 and welding gun clamp assemblies and welding torch position adjustment member hinges; Described welding torch position is adjusted assembly and is comprised L shaped contiguous block 1-8, upper-lower position is adjusted axle 1-9, horizontal position adjustment axle 1-7, angle adjustment bolt 1-10 and bolt support 1-11,1-11 is supported on the vertical plane top of described L shaped contiguous block 1-8 fixedly assembling bolt, it is the zee beam structure of horizontal positioned that described bolt supports 1-11, adjust bolt 1-10 at one end setting angle, its other end is by bearing pin 1-6 and angle of welding gun changeover module and welding gun clamping member hinges, on the described L shaped contiguous block horizontal bottom fixedly the fit on upper/lower positions adjust axle 1-9, described upper-lower position adjusts axle 1-9 lower end and horizontal position adjustment axle 1-7 is equipped, described horizontal position adjustment axle 1-7 one end is provided with upper-lower position and adjusts the axle assembling stand, be provided with upper-lower position adjustment axle pilot hole 1-7-1 at the vertical axle assembling stand of adjusting, adjust the axle pilot hole outside at upper-lower position adjustment tank 1-7-2 vertically is set, also be provided with the clamp bolt hole 1-7-3 that vertically runs through adjustment tank on upper-lower position adjustment axle assembling stand, the described horizontal position adjustment axle 1-7 other end and left side (or right side) detent mechanism are equipped.Welding torch position of the present invention switches and welding gun clamping regulation mechanism 1 has welding gun holding function, angle of welding gun handoff functionality and welding torch position adjustment function, cooperates with clamp 1-4 under the welding gun by welding gun upper clamping block 1-3 and realizes the welding gun holding function; Under the effect of extension spring 1-1 pulling force, welding gun supports 1-12 and turns clockwise around bearing pin 1-6, and contacts with angle adjustable bolt 1-10, promotes welding gun support left end by angle adjustable bolt 1-10 rotation again and rotates around bearing pin 1-6, the realization angle of welding gun is regulated, and satisfies the welding demand; When Butt welding gun of the present invention position is adjusted, unclamp the fastening bolt of horizontal adjustment axle 1-7 one end, finish the upper-lower position adjustment and horizontally rotate adjustment by upper-lower position adjustment axle drive welding clamping device and welding torch position switching mechanism, horizontal adjustment axle 1-7 right-hand member (or left end) is fixed on (or right side) the pin assembly clutch shaft bearing seat of left side by left side (or right side) horizontal adjustment shaft compression piece, unclamps this place's set bolt and can realize the position adjustment of the horizontal adjustment axle 1-7 left and right sides.
Referring to Figure 13, Figure 14, after using a period of time, welding gun 1-5 needs ignition tip, nozzle are changed and keeped in repair, owing to locate in the welding position, welding gun 1-5 and alignment pin position approach, can't change and keep in repair, could realize maintenance and replacing so welding gun rifle mouth must be lifted, concrete operation step is: when extension spring 1-1 is in bearing pin 1-6 upside, under the pulling force effect, welding gun supports 1-12 and turns clockwise around bearing pin 1-6, and contact with angle adjustable bolt 1-10, be in welding position (as shown in figure 13) this moment; When holding extension spring left end extension pin 1-14, operating personnel exert oneself downwards, swing arm 1-2 turns clockwise around bearing pin 1-6, extension spring 1-1 has moved to the downside of bearing pin 1-6, this moment is under the effect of extension spring 1-1 pulling force, welding gun supports 1-12 and is rotated counterclockwise around bearing pin 1-6, this moment, welding gun 1-5 lifted, and away from alignment pin, was in maintenance position.
Referring to Fig. 5, Fig. 6, Fig. 7, left positioner of the present invention mechanism 2 comprises left positioner mechanism supports 2-1, cylinder 2-2, left positioner pin assemblies bearing block and left positioner pin assemblies, described left positioner mechanism supports 2-1 is fixed on the base stand 7, it is arranged symmetrically in both sides, cylinder 2-2 front and back, left positioner pin assemblies bearing block is installed in the fixing assembling of described cylinder 2-2 and left positioner mechanism supports 2-1 on Telescopic-cylinder arm top; Described left positioner pin assemblies bearing block comprises left positioner pin assemblies clutch shaft bearing seat 2-4 and left positioner pin assemblies the second bearing block 2-5, equipped left side, the top of described left positioner pin assemblies clutch shaft bearing seat 2-4 horizontal adjustment shaft compression piece 2-3, described left positioner pin assemblies the second bearing block 2-5 and left positioner pin assemblies clutch shaft bearing seat 2-4 and left positioner pin assemblies coupling; Described left positioner pin assemblies comprises left side central shaft 2-16, left positioner pin assembly unit and welding machine ground conductive unit, left side, described left side central shaft 2-16 is the multidiameter structure, at its outside suit left side central shaft bearing 2-15 and left side thrust bearing 2-13, its right-hand member is by left side right-hand member fastening bolt 2-12 and the assembling of left positioner pin assembly unit, described left positioner pin assembly unit comprises left side bearing block 2-6, left positioner block 2-7 and left positioner pin 2-8, and they are successively assembling from left to right; Described left side central shaft left end is by left side left end fastening bolt 2-19 and the assembling of welding machine ground conductive unit, left side, welding machine ground conductive unit, described left side comprises left side graphite block 2-17, left side conducting block 2-18, left side holddown spring 2-21 and left side holddown spring felt pad, described left side conducting block 2-18 is fixedly connected with left side welding machine ground wire 2-14, the inboard felt pad 2-22 of suit left side holddown spring in the conducting block centre bore of left side, described left side holddown spring 2-21 is sleeved on left end fastening bolt 2-19 outside, left side, its two ends respectively with the inboard felt pad 2-22 of left side holddown spring, felt pad 2-20 is equipped for the holddown spring outside, left side.
Referring to Fig. 8, Fig. 9, Figure 10, right positioner of the present invention mechanism 3 comprises right positioner mechanism supports 3-16, the contiguous block 3-1 of right positioner mechanism, right positioner pin assemblies bearing block and right positioner pin assemblies, described right positioner mechanism supports 3-16, the contiguous block 3-1 of right positioner mechanism includes the two parts that are arranged symmetrically in right positioner pin assemblies front and back, right positioner mechanism supports 3-16 is fixed on the base stand 7, the contiguous block 3-1 of right positioner mechanism is fixedly mounted on the inboard of right positioner mechanism supports 3-16, at the contiguous block 3-1 of right positioner mechanism left positioner pin assemblies bearing block is installed, described right positioner pin assemblies bearing block comprises right positioner pin assemblies clutch shaft bearing seat 3-9 and right positioner pin assemblies the second bearing block 3-18, the top of described right positioner pin assemblies clutch shaft bearing seat 3-9 is equipped with right side horizontal adjustment shaft compression piece 3-10, described right positioner pin assemblies the second bearing block 3-18 and right positioner pin assemblies clutch shaft bearing seat 3-9 and right positioner pin assemblies coupling; Described right positioner pin assemblies comprises right side central shaft 3-23, right positioner pin assembly unit, welding machine ground conductive unit, right side and driven sprocket 3-8, described right side central shaft is 3-23 multidiameter structure, at its outside suit right side central shaft bearing 3-22 and right side thrust bearing 3-21, its left end is by right side left end fastening bolt 3-17 and the assembling of right positioner pin assembly unit, described right positioner pin assembly unit comprises right side bearing block 3-11, right positioner block 3-12 and right positioner pin 3-13, and they are successively assembling from right to left; At the fixing assembly connection conducting block 3-7 of right side central shaft 3-23 right-hand member, described connection conducting block 3-7 is by right side right-hand member fastening bolt 3-3 and the assembling of welding machine ground conductive unit, right side, welding machine ground conductive unit, described right side comprises right side graphite block 3-6, right side conducting block 3-5, right side holddown spring 3-2 and right side holddown spring felt pad, described right side conducting block is fixedly connected with right side welding machine ground wire 3-20, the inboard felt pad 3-19 of suit right side holddown spring in the conducting block centre bore of right side, described right side holddown spring 3-2 is sleeved on right side right-hand member fastening bolt 3-3 outside, its two ends respectively with the inboard felt pad 3-19 of right side holddown spring, felt pad 3-4 is equipped for the holddown spring outside, right side.
Referring to Fig. 5~Figure 10, left positioner of the present invention mechanism, right positioner mechanism all have welding machine ground wire rotation conducting function, both sides welding machine ground wire is stationary state, welding work pieces 8 is in rotation status during automatic welding, need during welding the conducting of welding machine earthed circuit to product, so the necessary circuit turn-on of realizing between fixed body and the rotary body.The below describes welding machine ground wire rotation conduction mode of the present invention as an example of left positioner mechanism example: under the holddown spring 2-21 elastic force effect of left side, make left side conducting block 2-18, left side graphite block 2-17, fit tightly with the central shaft 2-16 left and right sides, left side end face, when cylinder 2-2 telescopic arm stretches out clamping welding work pieces 8 and rotates, left side conducting block 2-18 maintains static, left side central shaft 2-16 is in rotation status, the left side graphite block 2-17 that mediates to left side central shaft 2-16, has realized circuit turn-on fixed body and rotary body between with this with the circuit turn-on of left side conducting block 2-18; Left side position block 2-7 left end is processed with step in left positioner mechanism, its effect is to prevent that the anti-blocking cream that welding gun is smeared from dropping onto diffusion left on the left positioner block 2-7, prevents from after anti-blocking cream from entering into left positioner block 2-7 and left side bearing block 2-6 contact-making surface electric conductivity being descended.
Referring to Fig. 5~Figure 10, left positioner of the present invention mechanism, right positioner mechanism have all adopted the Split Positioning latch structure, are convenient to maintenance and replacing to the both sides position block.Conducting block, central shaft, bearing block and the position block of left positioner of the present invention mechanism, right positioner mechanism all adopt the brass material, can improve the electric conductivity of welding machine earthed circuit, guarantee the reliability service of equipment.The equal installing insulating pad in holddown spring rear and front end of left positioner of the present invention mechanism, right positioner mechanism, purpose is heat insulation for insulation, prevents the holddown spring temperature influence, perhaps welding machine earthed circuit softening inefficacy of ablating.Be provided with position switch 2-9 on the cylinder sidewall of left positioner of the present invention mechanism, the extended position that is used for identification cylinder 2-2 telescopic arm, if workpiece is defective or when being in askew status, the Telescopic-cylinder arm stretches out when not in place, control circuit lost efficacy, and equipment can not carry out welding operation.Right positioner of the present invention mechanism is connected with power take-off mechanism by chain wheel driving mechanism, owing to have a large amount of spatter deposits yields during weld job, use the sprocket wheel chain to intert the kind of drive, have the stronger welding slag ability of splashing that overcomes, be difficult for producing catching phenomenon.The present invention is by optoelectronic switch light projector 2-11 emission IR, carry out workpiece identification by optoelectronic switch light-receiving device 3-15 acknowledge(ment) signal, when welding work pieces not being installed on the equipment, optoelectronic switch light-receiving device 3-15 receives the IR signal, controlled by controlling organization 6, welding process can not realize, has guaranteed equipment and operating personnel's safety.
Referring to Figure 11, active station 4 of the present invention is connected with controlling organization, is provided with scram button 4-1, release button 4-2, welding button 4-3 and clamps button 4-4 at the active station panel.
Referring to Figure 12, power take-off mechanism 5 of the present invention comprises motor 5-1, drive sprocket 5-3 and gear wheel 5-5, described motor 5-1 is fixed on the base stand 7 by electric machine support 5-2, described drive sprocket 5-3 is installed on the motor output shaft, it and chain mate, described gear wheel 5-5 and drive sprocket 5-3 are equipped, and gear wheel 5-5 is fixed on the base stand 7 by gear wheel support 5-4.
The course of work of the present invention is: operating personnel's left hand is held welding work pieces 8 bottoms, welding work pieces 8 top axle sleeves are inserted in the right positioner pin 3-1, this moment, the product top was between optoelectronic switch light-receiving device 3-15 and the optoelectronic switch light projector 2-11, stop IR, the cylinder clamping circuit is connected, clamping button 4-4 on the control panel of operating personnel's push station, the cylinder clamping coil gets electric, cylinder 2-2 telescopic arm stretches out, the axle sleeve of welding work pieces 8 is compressed, as it is oblique outward axle sleeve to occur, change in size etc., will cause cylinder to stretch out rear clamped position and desired location inconsistent, after position switch 2-9 identification, welding circuit is in off-state, and it is invalid to press welding button 4-3; After welding work pieces is adjusted, be in the normal position behind the cylinder clamping welding work pieces 8, press again welding button 4-3, this moment, control circuit was connected motor 5-1 and welding gun welding circuit, realize motor 5-1 rotation, by drive sprocket 5-3 by chain with transmission of power to driven sprocket 3-8, drive right positioner pin assemblies, welding work pieces and the rotation of left positioner pin assemblies; Simultaneously left and right sides welding gun in the welding position to the welding of switching on simultaneously of welding work pieces 8 both sides circular welding beads; After pressing welding button 4-4, the time timing that the time relay in the circuit begins to set, after timing finishes (product welding one circle), control circuit automatic disconnection motor and welding machine control circuit, equipment stops the rotation and welds; This moment, operating personnel's left hand was held welding work pieces 8 bottoms, and the right hand is pressed release button 4-2, and cylinder withdrawal coil gets electric, and the telescopic arm of cylinder 2-2 is regained, and welding work pieces can be taken off.
When the equipment rotating welding, press release button 4-2 such as maloperation, the Telescopic-cylinder arm is regained, this moment, to stop be to use the time Control because of equipment rotation and welding, equipment can continue rotating welding in setting-up time, after the Telescopic-cylinder arm is regained, product will be in free state without under the clamping force, as continue welding and will cause product and device damage, so in the control circuit of the present invention release button 4-2 and rotating welding circuit are carried out interlocking design, release button 4-2 lost efficacy under the rotating welding state, only could be to its valid function under welded condition not.

Claims (8)

1. dicyclo welding bead automatic welding device, it is characterized in that, it comprises that welding torch position switches and welding gun clamping regulation mechanism (1), left positioner mechanism (2), right positioner mechanism (3), active station (4), power take-off mechanism (5), controlling organization (6) and base stand (7), described welding torch position switches and welding gun clamping regulation mechanism (1) comprises symmetrical two parts, they respectively with left positioner mechanism (2), right positioner mechanism (3) is equipped, described left positioner mechanism (2), right positioner mechanism (3) and active station (4) all are fixed on the base stand (7), described power take-off mechanism (5) is equipped with right positioner mechanism, and described base stand (7) bottom is provided with castor (7-1).
2. a kind of dicyclo welding bead automatic welding device according to claim 1, it is characterized in that, described angle of welding gun switches and welding gun clamping regulation mechanism (1) comprises the welding gun clamp assemblies, angle of welding gun changeover module and welding torch position are adjusted assembly, described welding gun clamp assemblies comprises welding gun upper clamping block (1-3), clamp under the welding gun (1-4) and welding gun support (1-12), described welding gun upper clamping block (1-3) is fixed on welding gun and supports (1-12) end, clamp under the described welding gun (1-4) is equipped with welding gun upper clamping block (1-3), welding gun (1-5) is being installed between the clamp (1-4) under welding gun upper clamping block (1-3) and the welding gun, and described welding gun supports (1-12) and adjusts member hinges by bearing pin (1-6) and angle of welding gun changeover module and welding torch position.
3. a kind of dicyclo welding bead automatic welding device according to claim 2, it is characterized in that, described angle of welding gun changeover module comprises that extension spring (1-1), swing arm (1-2), extension spring left end are hung pin (1-14) and the extension spring right-hand member is hung pin (1-13), described extension spring left end is hung pin (1-14) and is installed in the left end that welding gun supports (1-12), described extension spring right-hand member is hung pin (1-13) and is installed in swing arm (1-2) end, and described swing arm (1-2) other end is adjusted member hinges by bearing pin (1-6) and welding gun clamp assemblies and welding torch position.
4. a kind of dicyclo welding bead automatic welding device according to claim 3, it is characterized in that, described welding torch position is adjusted assembly and is comprised L shaped contiguous block (1-8), upper-lower position is adjusted axle (1-9), horizontal position adjustment axle (1-7), angle adjustment bolt (1-10) and bolt support (1-11), (1-11) supported on the vertical plane top of described L shaped contiguous block fixedly assembling bolt, described bolt supports (1-11) end setting angle and adjusts bolt (1-10), its other end is by bearing pin (1-6) and angle of welding gun changeover module and welding gun clamping member hinges, L shaped contiguous block horizontal bottom fixedly the fit on upper/lower positions adjust axle (1-9), described upper-lower position adjusts axle (1-9) lower end and horizontal position adjustment axle (1-7) end is equipped, and described horizontal position adjustment axle (1-7) other end and left side (or right side) detent mechanism are equipped.
5. according to claim 1 or 4 described a kind of dicyclo welding bead automatic welding devices, it is characterized in that, described left positioner mechanism (2) comprises left positioner mechanism supports (2-1), cylinder (2-2) and left positioner pin assemblies, described left positioner mechanism supports (2-1) is fixed on the base stand (7), it is arranged symmetrically in both sides, cylinder (2-2) front and back, described cylinder (2-2) and the fixing assembling of left positioner mechanism supports (2-1), left positioner pin assemblies bearing block is installed on Telescopic-cylinder arm top, described left positioner pin assemblies bearing block and left positioner pin assemblies coupling, described left positioner pin assemblies comprises left side central shaft (2-16), left positioner pin assembly unit and welding machine ground conductive unit, left side, described left side central shaft left end and the assembling of welding machine ground conductive unit, left side, left side central shaft right-hand member and the assembling of left positioner pin assembly unit.
6. a kind of dicyclo welding bead automatic welding device according to claim 5, it is characterized in that, described right positioner mechanism (3) comprises right positioner mechanism supports (3-16), right positioner mechanism contiguous block (3-1), right positioner pin assemblies bearing block and right positioner pin assemblies, described right positioner pin assemblies comprises right side central shaft (3-23), right positioner pin assembly unit, welding machine ground conductive unit, right side and driven sprocket (3-8), described right side central shaft left end and the assembling of right positioner pin assembly unit, right side central shaft right-hand member and the assembling of welding machine ground conductive unit, right side, described driven sprocket (3-8) is sleeved on the right side central shaft (3-23), and driven sprocket (3-8) is equipped with power take-off mechanism (5).
7. a kind of dicyclo welding bead automatic welding device according to claim 6, it is characterized in that, described power take-off mechanism (5) comprises motor (5-1), drive sprocket (5-3) and gear wheel (5-5), described motor (5-1) is fixed on the base stand (7) by electric machine support (5-2), described drive sprocket (5-3) is installed on the motor output shaft, described gear wheel (5-5) is equipped with drive sprocket (5-3), and gear wheel (5-5) is fixed on the base stand (7) by gear wheel support (5-4).
8. a kind of dicyclo welding bead automatic welding device according to claim 7, it is characterized in that, be provided with position switch (2-9) at left positioner mechanism cylinder (2-2) sidewall, on left positioner pin assemblies bearing block, also be provided with left side optoelectronic switch support (2-10), at left side optoelectronic switch support (2-10) optoelectronic switch light projector (2-11) is installed, be provided with right side optoelectronic switch support (3-14) at right positioner pin assemblies bearing block, at right side optoelectronic switch support (3-14) optoelectronic switch light-receiving device (3-15) is installed, described optoelectronic switch light-receiving device (3-15) is corresponding with optoelectronic switch light projector (2-11) in the left positioner mechanism.
CN201210589123.4A 2012-12-31 2012-12-31 Automatic welding equipment for double annular welding beads CN103008940B (en)

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CN103978338A (en) * 2014-05-28 2014-08-13 唐山开元机器人系统有限公司 Compression devices and welding equipment with same
CN104625523A (en) * 2015-02-13 2015-05-20 杭州焊林科技有限公司 Double-seam automatic welder
CN106826035A (en) * 2017-01-23 2017-06-13 上海众达汽车冲压件有限公司 A kind of welding procedure of rail mounted automatic welding device

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JPH0557442A (en) * 1991-08-31 1993-03-09 Otsuka Tekkosho:Yugen Automatic profile welding equipment
CN201353690Y (en) * 2008-06-13 2009-12-02 上海威特力焊接设备制造股份有限公司 Symmetric welding equipment
CN201493618U (en) * 2009-09-16 2010-06-02 王济生 Dedicated welding machine for radiators
CN201889575U (en) * 2010-11-30 2011-07-06 长城汽车股份有限公司 Automatic welding device of circular weld bead
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JPH0557442A (en) * 1991-08-31 1993-03-09 Otsuka Tekkosho:Yugen Automatic profile welding equipment
CN201353690Y (en) * 2008-06-13 2009-12-02 上海威特力焊接设备制造股份有限公司 Symmetric welding equipment
CN201493618U (en) * 2009-09-16 2010-06-02 王济生 Dedicated welding machine for radiators
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Publication number Priority date Publication date Assignee Title
CN103978338A (en) * 2014-05-28 2014-08-13 唐山开元机器人系统有限公司 Compression devices and welding equipment with same
CN104625523A (en) * 2015-02-13 2015-05-20 杭州焊林科技有限公司 Double-seam automatic welder
CN106826035A (en) * 2017-01-23 2017-06-13 上海众达汽车冲压件有限公司 A kind of welding procedure of rail mounted automatic welding device
CN106826035B (en) * 2017-01-23 2018-07-27 上海众达汽车冲压件有限公司 A kind of welding procedure of rail mounted automatic welding device

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